<template>
    <div class="login-container">
        <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form" autocomplete="on" label-position="left">
            <div class="title-container">
                <img src="@/assets/common/login-logo.png" alt="" />
            </div>

            <el-form-item prop="mobile">
                <span class="svg-container">
                    <svg-icon icon-class="user" />
                </span>
                <el-input ref="mobile" v-model="loginForm.mobile" placeholder="请输入手机号码" name="mobile" type="text" tabindex="1" autocomplete="on" />
            </el-form-item>

            <el-tooltip v-model="capsTooltip" content="Caps lock is On" placement="right" manual>
                <el-form-item prop="password">
                    <span class="svg-container">
                        <svg-icon icon-class="password" />
                    </span>
                    <el-input :key="passwordType" ref="password" v-model="loginForm.password" :type="passwordType" placeholder="Password" name="password" tabindex="2" autocomplete="on" @keyup.native="checkCapslock" @blur="capsTooltip = false" @keyup.enter.native="handleLogin" />
                    <span class="show-pwd" @click="showPwd">
                        <svg-icon :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'" />
                    </span>
                </el-form-item>
            </el-tooltip>

            <el-button :loading="loading" type="primary" style="width:100%;margin-bottom:30px;" @click.native.prevent="handleLogin" class="loginBtn">登录</el-button>

            <div style="position:relative">
                <div class="tips">
                    <span>账号: 13800000002</span>
                    <span>密码: 123456</span>
                </div>
            </div>
        </el-form>

        <el-dialog title="Or connect with" :visible.sync="showDialog">
            Can not be simulated on local, so please combine you own business
            simulation! ! !
            <br />
            <br />
            <br />
            <social-sign />
        </el-dialog>
    </div>
</template>

<script>
import { validMobile } from '@/utils/validate'
import SocialSign from './components/SocialSignin'
import { mapActions } from 'vuex'

export default {
    name: 'Login',
    components: { SocialSign },
    data () {
        /**
         * 手机格式校验
         */
        const validateMobile = (rule, value, callback) => {
            validMobile(value) ? callback() : callback(new Error('手机号码格式不正确'))
        }

        return {
            loginForm: {
                mobile: '13800000002',
                password: '123456'
            },
            loginRules: {
                mobile: [
                    { required: true, trigger: 'blur', message: '手机号码不能为空' },
                    { trigger: 'blur', validator: validateMobile }
                ],
                password: [
                    { required: true, trigger: 'blur', message: '密码不能为空' },
                    { trigger: 'blur', min: 6, max: 16, message: '密码长度为6到16位' }
                ]
            },
            passwordType: 'password',
            capsTooltip: false,
            loading: false,
            showDialog: false,
            redirect: undefined,
            otherQuery: {}
        }
    },
    watch: {
        $route: {
            handler: function (route) {
                const query = route.query
                if (query) {
                    this.redirect = query.redirect
                    this.otherQuery = this.getOtherQuery(query)
                }
            },
            immediate: true
        }
    },
    created () {
        // window.addEventListener('storage', this.afterQRScan)
    },
    mounted () {
        if (this.loginForm.username === '') {
            this.$refs.username.focus()
        } else if (this.loginForm.password === '') {
            this.$refs.password.focus()
        }
    },
    destroyed () {
        // window.removeEventListener('storage', this.afterQRScan)
    },
    methods: {
        /**
         * 引入登录方法
         */
        ...mapActions(['user/login']),

        checkCapslock (e) {
            const { key } = e
            this.capsTooltip = key && key.length === 1 && key >= 'A' && key <= 'Z'
        },
        showPwd () {
            if (this.passwordType === 'password') {
                this.passwordType = ''
            } else {
                this.passwordType = 'password'
            }
            this.$nextTick(() => {
                this.$refs.password.focus()
            })
        },

        /**
         * @description: 点击登录进行登录
         * @author: Yong
         * @function   handleLogin
         * @param {*}  参数
         * @param {*}  参数
         * @return {*} 
         * @date: 2021-04-25 11:17:02
         */
        handleLogin () {
            this.$refs.loginForm.validate(async valid => {
                // 校验通过
                if (valid) {
                    try {
                        // 显示登录按钮Loaidng
                        this.loading = true
                        // 1.调用action-async标记的user/login函数实际上是一个promise对象
                        await this['user/login'](this.loginForm)
                        // 2.登录成功后执行
                        this.$router.push('/')
                    } catch (e) {
                        console.log(e)
                    } finally {
                        // 执行完成后关闭loading
                        this.loading = false
                    }
                }
            })
        },

        getOtherQuery (query) {
            return Object.keys(query).reduce((acc, cur) => {
                if (cur !== 'redirect') {
                    acc[cur] = query[cur]
                }
                return acc
            }, {})
        }

    }
}
</script>

<style lang="scss">
$bg: #283443;
$light_gray: #68b0fe;
$cursor: #fff;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
    .login-container .el-input input {
        color: $cursor;
    }
}

/* reset element-ui css */
.login-container {
    background-image: url('~@/assets/common/login.jpg');
    background-position: center;
    .el-input {
        display: inline-block;
        height: 47px;
        width: 85%;

        input {
            background: transparent;
            border: 0px;
            -webkit-appearance: none;
            border-radius: 0px;
            padding: 12px 5px 12px 15px;
            color: $light_gray;
            height: 47px;
            caret-color: $cursor;

            &:-webkit-autofill {
                box-shadow: 0 0 0px 1000px $bg inset !important;
                -webkit-text-fill-color: $cursor !important;
            }
        }
    }

    .el-form-item {
        border: 1px solid rgba(255, 255, 255, 0.1);
        background: rgba(255, 255, 255, 0.7);
        border-radius: 5px;
        color: #454545;
    }

    .el-form-item__error {
        color: #fff;
    }

    .loginBtn {
        background: #407ffe;
        height: 64px;
        line-height: 32px;
        font-weight: 24px;
    }
}
</style>

<style lang="scss" scoped>
$bg: #2d3a4b;
$dark_gray: #889aa4;
$light_gray: #eee;

.login-container {
    min-height: 100%;
    width: 100%;
    background-color: $bg;
    overflow: hidden;

    .login-form {
        position: relative;
        width: 520px;
        max-width: 100%;
        padding: 160px 35px 0;
        margin: 0 auto;
        overflow: hidden;
    }

    .tips {
        font-size: 14px;
        color: #fff;
        margin-bottom: 10px;

        span {
            &:first-of-type {
                margin-right: 16px;
            }
        }
    }

    .svg-container {
        padding: 6px 5px 6px 15px;
        color: $dark_gray;
        vertical-align: middle;
        width: 30px;
        display: inline-block;
    }

    .title-container {
        position: relative;

        .title {
            font-size: 26px;
            color: $light_gray;
            margin: 0px auto 40px auto;
            text-align: center;
            font-weight: bold;
        }
    }

    .show-pwd {
        position: absolute;
        right: 10px;
        top: 7px;
        font-size: 16px;
        color: $dark_gray;
        cursor: pointer;
        user-select: none;
    }

    .thirdparty-button {
        position: absolute;
        right: 0;
        bottom: 6px;
    }

    @media only screen and (max-width: 470px) {
        .thirdparty-button {
            display: none;
        }
    }
}
</style>
